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569 results for “APRIL”
NT1D CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p>Radio:</p> <p>GPS-disciplined:</p> <p>AGC:</p> <p>Lat/lon: </p> <table> <tbody> <tr> <td>42.4717</td> <td>-71.619</td> </tr> </tbody> </table> <p>Notes: </p> <p>14.669 MHz USB (CW): Icom IC-705 connected to Mosley CL-33. PC is Dell XPS9320 Windows 11</p>
CWRU Farm SDR CHU 3.330 MHz from April 1, 2024
<p>Collected at Squire Valleevue Farm.</p> <table> <tbody> <tr> <td>41.49308889</td> <td>-81.42378287</td> </tr> </tbody> </table>
CWRU Farm SDR CHU 14.770 MHz from April 8, 2024 Solar Eclipse
<p>Collected at Squire Valleevue Farm.</p> <table> <tbody> <tr> <td>41.49308889</td> <td>-81.42378287</td> </tr> </tbody> </table>
CWRU Farm CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>Collected at Squire Valleevue Farm.</p> <table> <tbody> <tr> <td>41.49308889</td> <td>-81.42378287</td> </tr> </tbody> </table>
CWRU Farm (ET) CHU 3.330 MHz from April 8, 2024 Solar Eclipse
<p>Collected at Squire Valleevue Farm.</p> <table> <tbody> <tr> <td>41.49308889</td> <td>-81.42378287</td> </tr> </tbody> </table>
WA4YWM CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>Elecraft K3S</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna: <span>40M NVIS Dipole oriented East to West</span></span></p> <p><span><span>Lat/lon: </span></span></p> <table> <tbody> <tr> <td>40.41585</td> <td>-75.376109</td> </tr> </tbody> </table> <p>Notes: <span>Note that the first recording was briefly interrupted due to a power failure at 1500 on 4/3. The second recording was started at 1508.</span></p>
W0EJO CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>Icom-718</span></p> <p><span>GPS-disciplined: Yes</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna: <span>Vertical Mosley RV4C</span></span></p> <p><span><span>Lat/lon:</span></span></p> <table> <tbody> <tr> <td>38.6559</td> <td>-90.35107</td> </tr> </tbody> </table> <p> </p>
Educational data collected from parents - regarding the analysis of online activities in schools in Romania (during the Covid-19 pandemic, March 2020 - April 2020)
<p>The responses of the 784 parents were collected through the questionnaire available at: <a href="https://forms.gle/Km8WE5QamrYYgXJi7" target="_new" rel="noopener"><strong>https://forms.gle/Km8WE5QamrYYgXJi7</strong></a></p> <p>It was designed with various types of responses, including binomial (yes/no), polynomial (multiple options), and open-ended responses, to capture a comprehensive range of data. This combined approach allows for both quantitative analysis of fixed-response questions and qualitative insights from open-ended questions. Patterns, correlations, and differences between various demographic groups and their experiences and attitudes toward online education can be identified.</p> <p>To protect the identity of the respondents and to obtain accurate responses, all data collected from teachers was anonymous. We did not collect any personal information whatsoever. This aspect was made clear to the respondents in the description of the questionnaire.</p>
ET1008 - VE3KG Radio Association of Canada - CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p>See <a href="https://doi.org/10.5281/zenodo.13293306">10.5281/zenodo.13293306</a> for system documentation. <br>See <a href="https://doi.org/10.5281/zenodo.14004715">10.5281/zenodo.14004715</a> for python code to parse these files. </p> <p>Location: Ottawa, ON.</p> <p>Lat/lon: </p> <table> <tbody> <tr> <td>45.14417295</td> <td>-76.16592324</td> </tr> </tbody> </table> <p>Data collected by <a href="https://www.qrz.com/db/ve3kg">Dave Goodwin VE3KG</a>. </p>
ET0001 - CWRU Farm - CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p>See <a href="https://doi.org/10.5281/zenodo.13293306">10.5281/zenodo.13293306</a> for system documentation. <br>See <a href="https://doi.org/10.5281/zenodo.14004715">10.5281/zenodo.14004715</a> for python code to parse these files. </p> <p>Location: Chagrin Falls, OH. </p> <p>Lat/lon: </p> <table> <tbody> <tr> <td>41.49308889</td> <td>-81.42378287</td> </tr> </tbody> </table>
Seismic noise recorded at Solfatara Volcano in April 2007
<p>Seismic noise recorded during a seismic survey carried out at Solfatara Volcano in the period 2-6 April 2007. Five circular seismic arrays were deployed inside the crater; an other seismic station was installed on the eastern rim for a hardrock reference. Details on the experiment, as well as data description and station coordinates are reported in: Petrosino, S., Damiano, N., Cusano, P., Veneruso, M., Zaccarelli, L., Torello, V., & Del Pezzo, E. (2008). Seismic noise at Solfatara Volcano (Campi Flegrei, Italy): acquisition techniques and first results. <em>Quaderni di Geofisica</em>.</p> <p>Shallow crustal structure of Solfatara volcano, inferred from dataset analysis has been published in: Petrosino, S., Damiano, N., Cusano, P., Di Vito, M. A., de Vita, S., & Del Pezzo, E. (2012). Subsurface structure of the Solfatara volcano (Campi Flegrei caldera, Italy) as deduced from joint seismic‐noise array, volcanological and morphostructural analysis. <em>Geochemistry, Geophysics, Geosystems</em>, <em>13</em>(7).</p>
#MarchForScience crawl; April 26-30, 2017
<p>Consists of a web crawl of unique URLs tweeted with the #MarchForScience hashtag. #MarchForScience collection took place from April 22-26, 2017. Unique URLs were extracted from the dataset, and harvested with Heritrix on April 26-30, 2017.</p>
Santander bike network usage week 15 April 2019
<p>Dataset of Dock availability of Santander BSS used in the paper "Genetic Hybrid Optimization of a Real Bike Sharing System" MDPI September 2021. </p> <p>The data used in this paper are distributed under the Open Licence from Etalab and were collected using the connector provided by JCDecaux.(JCDecaux. JCDecaux Developer. Open Data. 2021.). This connector’s API provides, for a certain city, an extensive set of attributes in real-time. We have selected and retrieved the number of stations, capacity and occupation every 5 min, in order to figure out the dynamic of users. Within this interval, we will transform the occupation into requests of bikes or docks by means of subtracting consecutive occupation values.</p>
Atmospheric Dust Source Contributions and Synoptic Scale Adjustments in the East Asian Region in April of 2021
<p>The WRF-Chem simulations were conducted to assess the source contributions to the concentrations and ratios across the East Asian region in April 2021. The WRF-Chem baseline was compiled, and sensitivity simulations were conducted regarding the source contributions to the concentrations of PM10 BASE, PM10 Anthro, PM10 Dust, and PM10 Biomass. </p> <p>In our dataset, you can find PM10 concentrations of WRF-Chem baseline simulations and other sensitivity-simulated PM10 concentrations of multi-sources of anthropogenic, wind-blown dust, and biomass-burning emissions. Furthermore, model meteorological variables of air temperature, wind, surface level pressure, and geopotential height can be found here.</p> <p>If you have any difficulty downloading these datasets, please feel free to contact the first author, kimhsung@gmail.com. All references and acknowledgments can be found in our paper.</p> <p> </p>
Pyrolysis Model Data Set Contribution for the MaCFP Workshop April 2021 - Dataset
<p>This is a contribution of material parameters for pyolysis modelling, to the <a href="https://iafss.org/macfp/">MaCFP Workshop in April 2021</a>.</p> <p> </p> <p>This repository contains the input files for the inverse modelling process (IMP), the data bases with the IMP results, the analysis scripts and the simulation data of the requested model predictions.</p> <p>Different approaches were followed and all their data is stored here. Only two of them were presented to the MaCFP Workshop and were labelled "Approach A" and "Approach B" in the submitted report. Note however, that the labelling of the conducted IMP's is different.</p> <ul> <li>Approach A: R2_CAPAII_UMD_60_from_TGA_LCPP (Case A2)</li> <li>Approach B: R2_CAPAII_UMD_25_60_TGA_LCPP_2_5_15_20_range_rep_03 (Case B2)</li> </ul> <p> </p> <p>An intermediate naming convention was introduced as follows:</p> <ul> <li>Case A1: TGA: R2_CAPAII_UMD_25_60_from_TGA_LCPP, CAPA II: R2_CAPAII_UMD_25_60_from_TGA_LCPP</li> <li>Case A2: TGA: R2_CAPAII_UMD_25_60_from_TGA_LCPP, CAPA II: R2_CAPAII_UMD_60_from_TGA_LCPP</li> <li>Case A3: TGA: R2_TGA_UMET_1_10_50_Methane_Scen_00_neu, CAPA II: R2_CAPAII_UMD_25_60_from_TGA_UMET</li> <li>Case A4: TGA: R2_TGA_UMET_1_10_50_Methane_Scen_00_neu, CAPA II: R2_CAPAII_UMD_60_from_TGA_UMET</li> <li>Case B1: TGA and CAPA II: R2_CAPAII_UMD_25_60_TGA_LCPP_2_5_15_20_range_rep_02</li> <li>Case B2: TGA and CAPA II: R2_CAPAII_UMD_25_60_TGA_LCPP_2_5_15_20_range_rep_03</li> <li>Case B3: TGA and CAPA II: R2_CAPAII_UMD_25_60_TGA_LCPP_2_5_15_20_rep_02</li> </ul> <p>Note: The two archives mimic the directory structure of the project, where both are at the same lavel next to each other. If you would want to run the analysis scripts the relative file paths should work out of the box.</p> <p> </p> <p>Version 1.1: Added description and README.</p> <p> </p> <p>Version 1.2: Added archive containing the FDS input and output of approaches A and B directly (one does not need to download the full IMP_Runs21.rar), as well as the files contributed to the MaCFP-2 workshop.</p>
Oahu Bulk Precipitation Major Ions April 2018 to May 2021
<p>Precipitation major ion concentrations from 20 bulk precipitation collectors located across the island of Oahu, Hawaii, USA. Sampling occurred approximately quarterly from April 2018 to May 2021. Samples were analyzed for concentration of major inorganic ions by the Water Resources Research Center laboratory at the University of Hawaiʻi at Mānoa. Sampling was funded by the NSF Hawaiʻi EPSCoR Program through the National Science Foundation’s Research Infrastructure Improvement award (RII) Track-1: ‘Ike Wai: Securing Hawaiʻi’s Water Future Award # OIA-1557349. </p>
O2-O2, SO2, BrO, and IO differential slant column densities (dSCDs) measured by the University of Colorado Multi-AXis Differential Optical Absorption Spectroscopy (CU MAX-DOAS) instrument at Maido Observatory during April 29, 2018 and May 4, 2018
<p>Description: O<sub>2</sub>-O<sub>2</sub>, SO<sub>2</sub>, BrO, and IO differential slant column densities (dSCDs) measured by the University of Colorado Multi-AXis Differential Optical Absorption Spectroscopy (CU MAX-DOAS) instrument at Maido Observatory during April 29, 2018 and May 4, 2018.</p> <p>Instrument: University of Colorado Multi-AXis Differential Optical Absorption Spectroscopy (CU MAX-DOAS)<br> Instrument reference: Coburn et al. (2011); doi:10.5194/amt-4-2421-2011<br> Instrument contact: Christopher F. Lee (christopher.f.lee@colorado.edu)<br> Instrument PI: Rainer Volkamer (rainer.volkamer@colorado.edu)<br> <br> Measurement site: Maido Observatory, Reunion Island<br> Longitude: 55.384 degrees East<br> Latitude: 21.080 degrees South<br> Altitude: 2160 meters above sea level<br> Azimuth angle: Approximately 100 degrees clockwise from north<br> <br> The detection limit is defined as (2*Measured RMS) / (Maximum differential absorption cross section), where RMS = root-mean-square noise of spectral signal not accounted for by DOAS fit parameters [optical density units]. The maximum differential absorption cross sections used are 7.0e-21 [cm<sup>2</sup>] for SO<sub>2</sub>, 2.6e-17 [cm<sup>2</sup>] for BrO, and 3.5e-17 [cm<sup>2</sup>] for IO. Detection limits for SO<sub>2</sub> dSCDs, BrO dSCDs, and IO dSCDs are only reported during periods of significant SO<sub>2</sub> detection. BrO to SO<sub>2</sub> ratios are only reported during periods when both BrO dSCDs and SO<sub>2</sub> dSCDs are above the detection limit.</p> <p>Local time (RET) is UTC+4.<br> <br> Column 1: UTC start datetime (yyyy-mm-dd HH:MM:SS)<br> Column 2: UTC center datetime (yyyy-mm-dd HH:MM:SS)<br> Column 3: UTC stop datetime (yyyy-mm-dd HH:MM:SS)<br> Column 4: Elevation angle above the horizon (degrees)<br> Column 5: O<sub>2</sub>-O<sub>2</sub> dSCD [molec<sup>2</sup> cm<sup>-5</sup>]<br> Column 6: Spectral fit error for O<sub>2</sub>-O<sub>2</sub> dSCD [molec<sup>-2</sup> cm<sup>-5</sup>]<br> Column 7: SO<sub>2</sub> dSCD [molec cm<sup>-2</sup>]<br> Column 8: Spectral fit error for SO<sub>2</sub> dSCD [molec cm<sup>-2</sup>]<br> Column 9: Detection limit for SO<sub>2</sub> dSCD [molec cm<sup>-2</sup>]<br> Column 10: BrO dSCD [molec cm<sup>-2</sup>]<br> Column 11: Spectral fit error for BrO dSCD [molec cm<sup>-2</sup>]<br> Column 12: Detection limit for BrO dSCD [molec cm<sup>-2</sup>]<br> Column 13: IO dSCD [molec cm<sup>-2</sup>]<br> Column 14: Spectral fit error for IO dSCD [molec cm<sup>-2</sup>]<br> Column 15: Detection limit for IO dSCD [molec cm<sup>-2</sup>]<br> Column 16: Ratio of BrO dSCDs to SO<sub>2</sub> dSCDs<br> Column 17: Error in ratio of BrO dSCDs to SO<sub>2</sub> dSCDs</p>
Price and features of housing rentals in Spain as of April 2023.
<pre>Information on each housing rental advertisement each of the Spanish province capitals as of April 23.</pre>
LPL2 - April 2023
<p>Measurements of LPL2 (Caldera de Taburiente NP) in April 2023</p> <p>La Palma</p><p> Light Pollution Laboratorie <a href="https://data.eelabs.eu/api/lpls/LPL2">info</a></p>
SDO/AIA cutout images for 2-April-2022 solar filament eruption
<p>This entry contains sets of "cutout" images for the solar filament eruption that took place on 2-April-2022 around 13:30 UT. The images are from the Atmospheric Imaging Assembly (AIA) instrument onboard the Solar Dynamics Observatory (SDO). AIA takes full-disk images, and the cutout images were obtained from the Joint Science Operations Center (JSOC) website's cutout service.</p> <p>Tar files are available for the 304 angstrom and 131 angstrom AIA channels. </p> <p>These images were used to generate movies for a paper by M. Janvier et al. that was submitted to the journal Astronomy & Astrophysics in 2023.</p> <p> </p>
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.